8928040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 22239360

約数和(自身を除く): 13311320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 197, 206, 220, 394, 412, 440, 515, 788, 824, 985, 1030, 1133, 1576, 1970, 2060, 2167, 2266, 3940, 4120, 4334, 4532, 5665, 7880, 8668, 9064, 10835, 11330, 17336, 20291, 21670, 22660, 40582, 43340, 45320, 81164, 86680, 101455, 162328, 202910, 223201, 405820, 446402, 811640, 892804, 1116005, 1785608, 2232010, 4464020, 8928040]

約数ペア:

[(1, 8928040), (2, 4464020), (4, 2232010), (5, 1785608), (8, 1116005), (10, 892804), (11, 811640), (20, 446402), (22, 405820), (40, 223201), (44, 202910), (55, 162328), (88, 101455), (103, 86680), (110, 81164), (197, 45320), (206, 43340), (220, 40582), (394, 22660), (412, 21670), (440, 20291), (515, 17336), (788, 11330), (824, 10835), (985, 9064), (1030, 8668), (1133, 7880), (1576, 5665), (1970, 4532), (2060, 4334), (2167, 4120), (2266, 3940)]